(19)
(11) EP 1 089 272 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.03.2003 Bulletin 2003/13

(43) Date of publication A2:
04.04.2001 Bulletin 2001/14

(21) Application number: 00121515.1

(22) Date of filing: 29.09.2000
(51) International Patent Classification (IPC)7: G11B 19/10, G11B 17/04
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 01.10.1999 JP 28199399

(71) Applicant: Pioneer Corporation
Tokyo-to (JP)

(72) Inventors:
  • Matsuo, Kazunori, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Takahashi, Teruo, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Nishio, Yoshimichi, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Suzuki, Yasutaka, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Watarihana, Hideaki, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Goto, Hiroki, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Kimura, Tomomichi, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Yoshida, Susumu, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Kobayashi, Hiroyuki, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Kubota, Hidetsugu, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)
  • Abe, Takuya, c/o Pioneer Corporation
    Kawagoe-shi, Saitama-ken (JP)

(74) Representative: Reinhard - Skuhra - Weise & Partner 
Postfach 44 01 51
80750 München
80750 München (DE)

   


(54) Apparatus and method for detecting abnormal insertion of disc body


(57) An apparatus for detecting the absence or the presence of the occurrence of the abnormal insertion that a plurality of disc bodies each of which should be inserted separately one by one are inserted consecutively, provided with: a passing detecting device for detecting the passing of the disc body, mounted on the passing route of the disc body, and a determining device for determining the occurrence of the abnormal insertion if the detecting device detects the passing again after the detecting device detected the passing once.






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